leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 8 70 A 7 174.00 176.20 BULK CALCITE 97.0 8 70 A 28 327.00 327.70 BULK QUARTZ 5.4 8 70 A 28 327.00 327.70 BULK PLAGIOCLASE 19.3 8 70 A 28 327.00 327.70 BULK MONTMORILLONITE 38.1 8 70 A 30 330.90 330.90 BULK CRISTOBALITE 96.9